Finding the Fourth Proportional to 1,537,468,264.36, 2,121,695,640 and 832,604,115.78
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Solution
The fourth proportional to 1,537,468,264.36, 2,121,695,640 and 832,604,115.78 is: 1,148,987,958.48
Step by Step Solution
- Step 1: Write the proportion equation
1,537,468,264.36 : 2,121,695,640 = 832,604,115.78 : x - Step 2: Convert to fraction form
1,537,468,264.36/2,121,695,640 = 832,604,115.78/x - Step 3: Cross multiply
1,537,468,264.36x = 2,121,695,640 × 832,604,115.78 - Step 4: Simplify right side
1,537,468,264.36x = 1,766,532,522,296,481,024 - Step 5: Solve for x
x = 1,766,532,522,296,481,024/1,537,468,264.36 - Step 6: Final answer
x = 1,148,987,958.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.